I tested hibernation with no prior kernel version.
Now I tested the upstream kernel (v4.8-rc6) and the bug exists there, too.
That kernel however caused strange things. The processor cores hit 100 % usage
right after login. I opened a terminal (Ctrl+Alt+T), started htop but the
terminal became blank and another core hit 100%. This happened to the ps
command and the xfce4-taskmanager. I could gain no information of what
processes use 100%. Finally the whole system froze. I rebooted a few times so
as to be able to test the hibernation. Once the system froze after typing the
password on the login screen.
** Tags added: kernel-bug-exists-upstream
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[Hewlett-Packard HP ProBook 6470b] hibernate/resume failure [non-free:
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